NX+ Board Mount Receptacles

Meritec’s NX+ brand product family includes PCB surface mount, SFF-8470 and SFF-8473 IO connector receptacles that mate with all SFF-8470 cable assemblies and offer improved crosstalk performed at InfiniBand 5G DDR, 10G QDR, and the developing 20G EDR data rates.


Features & Benefits

  • 4X & 12X RapidIO configurations available
  • Meets the SFF-8470 & SFF-8473 Enhanced Shielded Multi-Lane specification
  • Performance enhanced to 20 Gbps per differential pair or lane in combination with Meritec enhanced NX cable assemblies
  • Improved crosstalk and insertion loss
  • Die cast housings for rugged applications
  • Screw & solder post hold down features available
  • Latch attachment (consult factory for thumbscrew option)
  • RoHS Compliant products available
  • SMT configuration
  • Panel mount option
  • Support Ethernet 40G Base CR4, 10GEthernet CX-4, Myrinet, RapidIO, Aurora and other speed IO applications
  • Optional EMI shield available
  • Optional EMI gasket available



  • Current rating: 1/2 amp per contact
  • Contact resistance: 10 milliohms
  • Dielectric withstanding voltage: 300 VDC
  • Insulation resistnace: 100 Mohms min
  • Impedance: 100+/- 10 ohms differential at 50psec risetime (20-80%)
  • Low crosstalk: <2% at 50ps risetime (20-80%) with 3 NEXT and 4 FEXT aggressors
  • Low insertion loss: <0.3 dB at 2.5GHz and <0.6 dB at 5.0GHz
  • Skew: Compensated with PCB traces

  • Contact material: Copper alloy
  • Standard contact finish: 30 micro inch Au over 50 micro inch Ni on mating area; and 5 micro inch Au over 50 micro inch Ni on the PCB termination end
  • Die cast shell with Ni plating
  • Durability: 250 cycles
  • Environmental

  • Dielectric material: LCP Resin UL 94V-O rated
  • Operating Temperature: -55ºC to 105ºC